Nitric acid tests
[医] 哨酸试验(检白蛋白)
🧩 词语组成解析
a. 氮的, 含氮的, 硝石的
n. 测验（test的复数）
🗣️ 情景例句
I see. By the way, how many people are working in your factory now?
哦，我知道了。顺便问一下，现在贵厂有多少在职职工？
Catch the bear before you sell his skin.
大事未成时，莫开庆功宴。
Not only had the poor man been arrested, but he had been sent to prison as well.
那个可怜的记者不仅被捕了，而且还被送进了监狱。